#include <iostream>
using namespace std;
int t, n, a[200001];
signed main() {
    freopen("arena.in", "r", stdin);
    freopen("arena.out", "w", stdout);
    cin >> t;
    while (t --) {
        cin >> n;
        for (int i = 1; i <= n; i ++)
            cin >> a[i];
        
    }
    return 0;
}